Question

2003 Mazda Miata MX5 1840 with fault code P0012, what is the code for?

Answer 1

HI there,

This code is for the cam timing over advanced. This could be the result of low engine oil, a faulty timing control solenoid, a bad cam position sensor or a problem with the mechanical timing. Usually the best place to start is with checking and changing the engine oil.

Answer 2

P0012 MAZDA Code - CMP Timing Over Retard Right side
Read more: https://www.autocodes.com/p0012_mazda.html